package com.example.educationblockchain.service;

import com.example.educationblockchain.mapper.BlockMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class BlockService {
    @Autowired
    BlockMapper blockMapper;

    public long selectBlockNum(){
        return blockMapper.selectBlockNum();
    }
}
